Răspuns :
[tex] \frac{20}{100} 50=20*50:100=10 \\ \\ \frac{50}{100} 20=20*50:100=10 \\ \\ 10=10 \\ \\ \frac{3}{100} 240=240*3:100=7,2 \\ \\ \frac{24}{100} 30=24*30:100=7,2 \\ \\ 7,2=7,2 \\ \\ sunt.egale[/tex]
a) 20% x50= 20/100 x50= 1000/100=10
50% x 20= 50/100 x20= 1000/100=10
b) 3% x240= 3/100 x240=720/100=7,2
24% x30= 24/100 x30= 720/100=7,2
coroana
50% x 20= 50/100 x20= 1000/100=10
b) 3% x240= 3/100 x240=720/100=7,2
24% x30= 24/100 x30= 720/100=7,2
coroana